Respuesta :

Step-by-step explanation:

Apply foil method.

First,

[tex]4z \times z = 4 {z}^{2} [/tex]

Outer,

[tex]z \times - 1 = - z[/tex]

Inner,

[tex]4z \times 1 = 4z[/tex]

Last,

[tex]1 \times - 1 = - 1[/tex]

Add terms.

[tex]4 {z }^{2} + 3z - 1[/tex]

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